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Q2: Which group of plants have phloem and
Q4: A network of interconnected food chains is
Q15: The maximum number of individuals of a
Q23: A(n)_ is a chemical synthesized in small
Q32: Cortisol is produced by the adrenal glands
Q37: A pyramid of energy represents each trophic
Q39: Pinworms and hookworms belong to the phylum<br>A)
Q47: Ecologists study<br>A) prokaryotes only.<br>B) eukaryotes only.<br>C) interactions
Q49: Researchers studying guppies in Trinidad found that
Q55: The enzyme that breaks down starch is<br>A)